Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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An object’s weight is _____ its mass.
a. | equal to | c. | proportional to | b. | less than | d. | greater than |
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2.
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A planet is discovered that is the same size as Earth and has the same
gravitational acceleration, but has twice the mass. If you weigh 700 N on Earth, on the new planet
you would weigh ____.
a. | 350 N | c. | 1,400 N | b. | 700 N | d. | 2,800 N |
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3.
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Distance is measured in _____.
a. | meters | c. | Joules | b. | kilograms | d. | Newtons |
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4.
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Lifting an object transfers what kind of energy to the object?
a. | chemical | c. | potential | b. | kinetic | d. | both b and c |
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5.
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An inclined plane wrapped around a cylinder post is a ____.
a. | lever | c. | screw | b. | ramp | d. | wedge |
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6.
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The buoyant force on an object is in the _____ direction.
a. | upward | c. | sideways | b. | downward | d. | backwards |
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7.
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An airplane wing is given lift because the shape causes air to move more quickly
over the top of the wing. This is an example of which principle?
a. | Archimedes’ | c. | Galileo’s | b. | Bernoulli’s | d. | Pascal’s |
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8.
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Drag force acts to decrease the _____ of an object moving through a
fluid.
a. | force | c. | energy | b. | motion | d. | temperature |
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9.
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According to Archimedes, the buoyant force on an object is equal to ____.
a. | the weight of the object | c. | the density of the
fluid | b. | the fluid pressure on the object | d. | the weight of the fluid
displaced |
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10.
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When a rubber band is stretched, it has ____ energy.
a. | potential | c. | chemical | b. | kinetic | d. | nuclear |
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11.
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In every energy transformation, some energy is always “lost” as ____
energy.
a. | chemical | c. | electrical | b. | radiant | d. | thermal |
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12.
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In which of these examples is work NOT performed?
a. | A bowling ball colliding with a pin. | b. | A ladder leaning against a
wall. | c. | A student carrying a box across the room. | d. | A teacher sliding a
book across the desk. |
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13.
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The mechanical energy of a football during a pass is _____.
a. | potential energy | c. | gravitational potential energy | b. | kinetic
energy | d. | potential and
kinetic energy |
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14.
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Which of the following is considered a building block of matter?
a. | light wave | c. | drop of water | b. | atom | d. | pebble |
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15.
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Which of the following is NOT an aspect of density that can be used to separate
mixtures?
a. | size independent | b. | attractive force | c. | amount of mass per
unit of volume | d. | Objects with greater density sink in objects with less
density. |
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16.
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A sample of water has a mass of 193 g. Salt is added to the water, and the final
solution weighs 238 g. How much salt was added?
a. | 138 g | c. | 431 g | b. | 45 g | d. | not enough
information |
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17.
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The ability of a pond to freeze over in winter is a _____.
a. | physical property | c. | physical change | b. | chemical property | d. | chemical change |
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18.
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Snow melts after a snowstorm because of the addition of _____.
a. | thermal energy | c. | potential energy | b. | kinetic energy | d. | force |
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19.
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Marco put a pot of water on to boil eggs. After a few minutes, all the water was
gone. This is an example of _____.
a. | condensation | c. | sublimation | b. | deposition | d. | vaporization |
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20.
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Which of the following is NOT an idea in the kinetic molecular theory?
a. | small particles make up all matter | b. | the particles in matter are in constant, random
motion | c. | the particles in matter collide with other particles, other objects, and the walls of
their container | d. | when particles in matter collide energy is lost |
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21.
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The amount of force that is exerted on a balloon by the gas inside the balloon
is _____.
a. | temperature | c. | volume | b. | pressure | d. | heat |
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22.
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As the space in a container gets smaller, the _____ decreases.
a. | pressure | c. | volume | b. | temperature | d. | heat |
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23.
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The surface tension in a cup of water is caused by _____.
a. | attractive forces between the water and its container | b. | attractive forces
between water molecules | c. | adhesive forces between water
molecules | d. | adhesive forces between the water and its container |
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24.
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The three basic components of an atom are _____.
a. | protons, neutrons, and ions | c. | protons, neutrinos, and
ions | b. | protons, neutrons, and electrons | d. | protium, deuterium, and
tritium |
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25.
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The place of an element in the modern periodic table is determined by its
_____.
a. | atomic number | c. | density | b. | atomic mass | d. | chemical
activity |
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26.
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All of the following elements conduct electricity. Which is NOT a metal?
a. | lead | c. | iron | b. | carbon | d. | vanadium |
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27.
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Which statement about noble gases is correct?
a. | They form compounds with very bright colors. | b. | They exist as single
atoms rather than as molecules. | c. | They are highly reactive with both metals and
nonmetals. | d. | They rarely form compounds in nature. |
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28.
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All ____ except mercury are solids at room temperature.
a. | metalloids | c. | metals | b. | nonmetals | d. | mixtures |
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29.
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One property of an ionic bond is _____.
a. | the formation of a shiny surface | c. | low melting
points | b. | the formation of solid crystals | d. | not dissolving in
water |
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30.
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Which type of atoms are found in metallic bonds?
a. | metal atoms | c. | salt atoms | b. | nonmetal atoms | d. | valence atoms |
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31.
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In general, metals are ____.
a. | poor conductors of heat | c. | poor conductors of
electricity | b. | brittle | d. | good conductors of heat |
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32.
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Dot diagrams are used to represent ____.
a. | protons | c. | atomic mass | b. | outer electrons | d. | the structure of the
nucleus |
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33.
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A chemical bond that occurs when atoms share electrons is a(n) ____ bond.
a. | covalent | c. | magnetic | b. | ionic | d. | polyatomic |
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34.
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Metallic chlorates, when heated, results in metallic chlorides and oxygen. This
is a _____ reaction.
a. | synthesis | c. | single-replacement | b. | decomposition | d. | double-replacement |
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35.
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An exothermic reaction _____.
a. | absorbs thermal energy | b. | needs energy to be added constantly in order to
continue | c. | releases thermal energy | d. | needs more energy to break the chemical bonds
than is released when products form. |
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